H3C Technologies H3C S12500 Series Switches - Manual (Page 382)

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Step Command Remarks
3. Enter IPv6 address family view
or IPv6 BGP-VPN instance
view.
ipv6-family [ vpn-instance
vpn-instance-name ]
N/A
4. Configure a default MED
value.
default med med-value
Optional.
0 by default.
5. Enable the comparison of
MED for routes from different
EBGP peers.
compare-different-as-med
Optional.
Not enabled by default.
The IPv6 BGP-VPN instance view
does not support this command.
6. Enable the comparison of
MED for routes from each AS. bestroute compare-med
Optional.
Disabled by default.
The IPv6 BGP-VPN instance view
does not support this command.
7. Enable the comparison of
MED for routes from
confederation peers. bestroute med-confederation
Optional.
Disabled by default.
The IPv6 BGP-VPN instance view
does not support this command.
Configuring the AS_PATH attribute
Step Command Remarks
1. Enter system view. system-view N/A
2. Enter BGP view. bgp as-number N/A
3. Enter IPv6 address family
view.
ipv6-family N/A
4. Allow the local AS number to
appear in AS_PATH of routes
from a peer or peer group
and specify the repeat times.
peer { group-name |
ipv6-address } allow-as-loop
[ number ]
Optional.
Not allowed by default.
5. Specify a fake AS number for
an IPv6 peer or peer group.
peer { group-name |
ipv6-address } fake-as as-number Optional.
Not specified by default.
6. Disable IPv6 MBGP from
considering the AS_PATH
during best route selection.
bestroute as-path-neglect
Optional.
Enabled by default.
7. Configure to carry only the
public AS number in updates
sent to a peer or peer group.
peer { group-name |
ipv6-address } public-as-only
Optional.
By default, IPv6 BGP updates carry
private AS number.
8. Substitute the local AS number
for the AS number of an IPv6
peer or peer group identified
in the AS_PATH attribute.
peer { group-name |
ipv6-address } substitute-as Optional.
Not substituted by default.